06-07 GM 6.6L Duramax Firepunk F1 Allison Transmission

Please note: A 10% cancellation fee will be charged for any Firepunk transmission orders canceled after purchase. If lead time is a concern, please contact us BEFORE making your purchase to avoid a cancellation fee. 

2006-2007 Sierra/Silverado 2500HD/3500HD Allison Firepunk F1 Transmission Package

Features:

• Great For Mildly Modified Trucks Up To 750HP
• 2-Year Unlimited Mileage, 100% Workmanship Warranty

Build List:

• All New Gaskets & Seals
• Allison Internal Filter
• Firepunk Filter Lock
• Allison External Filter with Magnet
• New Allison Bearings
• Rebuilt or New Pump
• Flat Sanded & Pressure Tested Valve Body
• Upgraded Shift Valve Springs
• Upgraded Trim Valves & Springs
• Upgraded Backfill Valve
• Upgraded F Trim End Sleeve
• New Valve Body Filter
• Pump Pressure Modifications
• Modified Converter Flow Valve
• Custom Fluid Circuits in Bellhousing & Case
• New Speed Sensors
• New Solenoids
• New Internal Harness
• New Tested Allison Pressure Manifold
• New Internal Range Sensor
• New Allison C1 Piston
• P1 Spacer
• GPZ C1 & C2 Frictions
• LML/L5P Style C3/C4 Pistons & Return Springs
• Machined C3 Plate to allow higher Clutch capacity
• Excalliber, Suncoast or Alto Non Slotted C3/C4 Frictions with Kolene Steels
• Sleeved C2 Hub & Machined Sun Gear
• PPE Pan
• Upgraded Flexplate
• DPC Billet Triple Disk Converter
• Signature Firepunk PTO Covers

Shipping cost includes round trip shipping to the lower 48 states only.

Firepunk: FD06AF14, FD06AF12